Tire tread



FIG. 1 is a perspective view of a tire tread showing our new design, it being understood that the pattern repeats uniformly throughout the circumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; the other side being a mirror image thereof; and,

FIG. 4 is an enlarged fragmentary front elevational view thereof.

In the drawings, the broken lines defining the sidewall, inner bead and the peripheral boundary between the tire tread and the sidewall in FIGS. 1 through 4 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a tire tread, as shown and described. 